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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Justin Adams

Bib: 3390 •M •Age: 40

Mechanicsvlle, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Masters (Masters Men)
#0 / 398
Age Group (M40-44)
Official
#0 / 120
Calculated (M40-44)
#0 / 120
Race Day Weather
71°/61°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
35:46
3.11 mi
Rank: #1696
Start → 5K
35:46 | 11:31/mi
10K
1:12:16
6.21 mi
Rank: #1699 (-3)
5K → 10K
36:30 | 11:45/mi
15K
1:47:48
9.32 mi
Rank: #1663 (+36)
10K → 15K
35:32 | 11:27/mi
20K
2:23:32
12.43 mi
Rank: #1638 (+25)
15K → 20K
35:44 | 11:31/mi
Half
2:31:07
13.10 mi
Rank: #1619 (+19)
20K → Half
7:35 | 11:19/mi
25K
2:58:33
15.53 mi
Rank: #1575 (+44)
Half → 25K
27:26 | 11:16/mi
30K
3:30:26
18.64 mi
Rank: #1528 (+47)
25K → 30K
31:53 | 10:16/mi
35K
4:14:53
21.75 mi
Rank: #1495 (+33)
30K → 35K
44:27 | 14:19/mi
25.2M
4:58:06
25.20 mi
Rank: #1478 (+17)
35K → 25.2M
43:13 | 12:32/mi
Finish
5:08:36
26.22 mi
Rank: #1472 (+6)
25.2M → Finish
10:30 | 10:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:31:07
Pace11:33 /mi
2nd Half
Distance13.12 mi
Time2:37:30
Pace12:01 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:24:2835:4611:3135:46
11:31
-
10K
6.21 mi09:00:581:12:1611:3836:30
11:45
+0:14
15K
9.32 mi09:36:301:47:4811:3435:32
11:27
-0:18
20K
12.43 mi10:12:142:23:3211:3335:44
11:31
+0:04
Half
13.10 mi10:19:492:31:0711:337:35
11:19
-0:12
25K
15.53 mi10:47:152:58:3311:3027:26
11:16
-0:03
30K
18.64 mi11:19:083:30:2611:1831:53
10:16
-1:00
35K
21.75 mi12:03:354:14:5311:4444:27
14:19
+4:03
25.2M
25.20 mi12:46:484:58:0611:5043:13
12:32
-1:47
Finish
26.22 mi12:57:185:08:3611:4710:30
10:19
-2:13

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:16 /mi

Average Pace

11:47 /mi

Slowest Pace

14:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

42:23

14% of race

Time at Steady Pace

2:58:33

58% of race

Time at Slower Pace

1:27:40

28% of race

Average Pace: 11:46 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi08:24:2835:4611:3135:46
11:31
#1696
10K
6.21 mi09:00:581:12:1611:3836:30
11:45
#1699
15K
9.32 mi09:36:301:47:4811:3435:32
11:27
#1663
20K
12.43 mi10:12:142:23:3211:3335:44
11:31
#1638
Half
13.10 mi10:19:492:31:0711:337:35
11:19
#1619
25K
15.53 mi10:47:152:58:3311:3027:26
11:16
#1575
30K
18.64 mi11:19:083:30:2611:1831:53
10:16
#1528
35K
21.75 mi12:03:354:14:5311:4444:27
14:19
#1495
25.2M
25.20 mi12:46:484:58:0611:5043:13
12:32
#1478
Finish
26.22 mi12:57:185:08:3611:4710:30
10:19
#1472
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi169610581101609(Top 83%)1019(Top 88%)106(Top 88%)
10K6.21 mi3.10 mi1699-31063-5111-11679(Top 86%)1055(Top 92%)108(Top 90%)
15K9.32 mi3.11 mi1663+361044+19109+21609(Top 83%)1019(Top 88%)106(Top 88%)
20K12.43 mi3.11 mi1638+251030+14105+41571(Top 81%)996(Top 86%)101(Top 84%)
Half13.10 mi0.67 mi1619+191020+10103+21300(Top 67%)852(Top 74%)88(Top 73%)
25K15.53 mi2.43 mi1575+441002+18101+21311(Top 67%)845(Top 73%)88(Top 73%)
30K18.64 mi3.11 mi1528+47969+3397+41324(Top 68%)831(Top 72%)90(Top 75%)
35K21.75 mi3.11 mi1495+33941+2896+11385(Top 71%)847(Top 73%)88(Top 73%)
25.2M25.20 mi3.45 mi1478+17929+1297-11307(Top 67%)792(Top 69%)85(Top 71%)
Finish26.22 mi1.02 mi1472+6926+396+11065(Top 55%)660(Top 57%)65(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×1
+26ft-31ft

Overall

1609

Males

1019

M40-44

106

5K→10K

3.1 - 6.2 mi

Top 86%
×2
+38ft-17ft

Overall

1679

Males

1055

M40-44

108

10K→15K

6.2 - 9.3 mi

Top 83%
×2
+26ft-44ft

Overall

1609

Males

1019

M40-44

106

15K→20K

9.3 - 12.4 mi

Top 81%
×1
+35ft-22ft

Overall

1571

Males

996

M40-44

101

20K→Half

12.4 - 13.1 mi

Top 67%
×1
+7ft-13ft

Overall

1300

Males

852

M40-44

88

Half→25K

13.1 - 15.5 mi

Top 67%
×2
+48ft-19ft

Overall

1311

Males

845

M40-44

88

25K→30K

15.5 - 18.6 mi

Top 68%
×2
+38ft-52ft

Overall

1324

Males

831

M40-44

90

30K→35K

18.6 - 21.8 mi

Top 71%
×2
+39ft-39ft

Overall

1385

Males

847

M40-44

88

35K→25.2M

21.8 - 25.2 mi

Top 67%
×3
+57ft-58ft

Overall

1307

Males

792

M40-44

85

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×1
+17ft-12ft

Overall

1065

Males

660

M40-44

65

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
297
Passed By
73
Net Change
+224
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1696
5K → 10K3235-3#1696#1699
10K → 15K448+36#1699#1663
15K → 20K272+25#1663#1638
20K → Half201+19#1638#1619
Half → 25K517+44#1619#1575
25K → 30K514+47#1575#1528
30K → 35K429+33#1528#1495
35K → 25.2M247+17#1495#1478
25.2M → Finish60+6#1478#1472
TOTALS29773+224
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

BQ

Boston Qualifying analysis available

Finisher Certificate

Download and share your official race completion certificate

🏆 Finisher Certificate
Download or share your official race finisher certificate
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Your certificate is generated on-demand and can be shared on social media or saved for your records

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

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